<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>图像缩放</title>
  <link rel="stylesheet" href="./style.css">
  <style>
    :root {
      --transition-duration: 250ms;
      --transition-ease: ease-out;
      --bg-color-rgb: 0, 0, 0;
      --shadow-color-rgb: 128, 128, 128;
      --item-width: 11.5rem;
      --item-height: 17.5rem;
      --hover-effect: 1.075;
      --reflection-blur: 0.25rem;
      --empty-color-rgb: 255, 255, 255;
      --glow-color-rgb: 255, 255, 255;
      --glow-size: 5rem;
      --diameter: 50rem;
      --perspective: 1000px;
      --perspective-origin: 50% 20%;
      --control-button-width: 1.25rem;
      --control-button-height: 4rem;
      --control-color-rgb: 255, 255, 255;
      --animation-duration: 25s;
      --animation-play-state: running;
      --direction-animation-play-state: paused;
    }

    *,
    *::before,
    *::after {
      margin: 0;
      padding: 0;
      border: 0;
      box-sizing: border-box;
    }

    *:focus {
      outline: none;
    }

    a {
      -webkit-tap-highlight-color: transparent;
      user-select: none;
    }

    body {
      display: flex;
      align-items: center;
      justify-content: center;
      height: 100vh;
      background-color: rgb(var(--bg-color-rgb));
      overflow: hidden;
    }

    .carousel {
      --_diameter: var(--diameter);
      --_radius: calc(var(--_diameter) / 2);
      --_item-width: var(--item-width);
      --_item-height: var(--item-height);
      perspective: var(--perspective);
      perspective-origin: var(--perspective-origin);
      width: var(--_diameter);
      height: var(--_diameter);
    }

    @media only screen and (max-width: 48rem) {
      .carousel {
        --_scale: 0.75;
        --_diameter: calc(var(--diameter) * var(--_scale));
        --_item-width: calc(var(--item-width) * var(--_scale));
        --_item-height: calc(var(--item-height) * var(--_scale));
      }
    }

    @media only screen and (max-width: 32rem) {
      .carousel {
        --_scale: 0.6;
        --_diameter: calc(var(--diameter) * var(--_scale));
        --_item-width: calc(var(--item-width) * var(--_scale));
        --_item-height: calc(var(--item-height) * var(--_scale));
      }
    }

    @media only screen and (max-width: 16rem) {
      .carousel {
        --_scale: 0.25;
        --_diameter: calc(var(--diameter) * var(--_scale));
        --_item-width: calc(var(--item-width) * var(--_scale));
        --_item-height: calc(var(--item-height) * var(--_scale));
      }
    }

    .control-button {
      --_width: var(--control-button-width);
      --_height: var(--control-button-height);
      z-index: 1;
      width: var(--_width);
      height: var(--_height);
      background-color: rgb(var(--control-color-rgb));
      opacity: 0.2;
      transition: opacity var(--transition-duration) var(--transition-ease);
      position: absolute;

      &:hover {
        opacity: 0.4;
      }

      &:has(input:checked) {
        opacity: 0.8;
      }

      & input {
        appearance: none;
        opacity: 0;
        width: 100%;
        height: 100%;
        cursor: pointer;
      }

      &.left {
        clip-path: polygon(0% 50%, 100% 0%, 100% 100%);
        top: calc(var(--_radius) - var(--_height) / 2);
        left: 0;
      }

      &.right {
        clip-path: polygon(0% 0%, 100% 50%, 0% 100%);
        top: calc(var(--_radius) - var(--_height) / 2);
        right: 0;
      }
    }

    .carousel:has(.control-button.left input:checked) {
      --direction-animation-play-state: running;
    }

    .carousel:has(.control-button.right input:checked) {
      --direction-animation-play-state: paused;
    }

    .rotation-direction {
      --_direction-animation-play-state: var(--direction-animation-play-state);
      --_z: calc(var(--_radius) * -1);
      transform: translateZ(var(--_z));
      transform-style: preserve-3d;
      animation: rotation-reverse calc(var(--animation-duration) / 2) reverse linear infinite var(--_direction-animation-play-state);
      transition: all var(--transition-duration) var(--transition-ease);
    }

    @keyframes rotation-reverse {
      from { transform: translateZ(var(--_z)) rotateY(0deg); }
      to { transform: translateZ(var(--_z)) rotateY(360deg); }
    }

    @keyframes rotation-normal {
      from { transform: rotateY(0deg); }
      to { transform: rotateY(360deg); }
    }

    .item-wrapper {
      transform-style: inherit;
      width: inherit;
      height: inherit;
      list-style-type: none;
      position: relative;
      animation: rotation-normal var(--animation-duration) normal linear infinite var(--animation-play-state);
      transition: all var(--transition-duration) var(--transition-ease);
    }

    .rotation-direction:has(.item:hover) {
      --animation-play-state: paused;
      --_direction-animation-play-state: paused;
    }

    .item {
      --_width: var(--_item-width);
      --_height: var(--_item-height);
      --_rotation: calc(360 / var(--_num-elements) * var(--_index) * 1deg);
      left: calc(var(--_radius) - var(--_item-width) / 2);
      top: calc(var(--_radius) - var(--_item-height) / 2);
      transform: rotateY(var(--_rotation)) translateZ(var(--_radius));
      transform-style: inherit;
      width: var(--_width);
      height: var(--_height);
      transition: all var(--transition-duration) var(--transition-ease);
      box-shadow: 0 0 var(--glow-size) transparent;
      position: absolute;

      &:hover {
        box-shadow: 0 0 var(--glow-size) rgb(var(--glow-color-rgb));
        transform: rotateY(var(--_rotation)) translateZ(calc(var(--_radius) * var(--hover-effect)));
      }

      & a {
        display: block;
        width: inherit;
        height: inherit;
        text-indent: -9999px;
        background-color: rgba(var(--empty-color-rgb), 0.5);
        background-image: var(--_image-url);
        background-repeat: no-repeat;
        background-position: center;
        background-size: cover;
        transition: filter var(--transition-duration) var(--transition-ease);
        filter: grayscale(100%);

        &:hover {
          filter: grayscale(0%);
        }
      }

      &::before {
        content: '';
        width: inherit;
        height: inherit;
        background-color: rgba(var(--empty-color-rgb), 0.5);
        background-image:
          linear-gradient(to top, rgba(var(--bg-color-rgb), 0.25) 0%, rgba(var(--bg-color-rgb), 1.0) 75%),
          var(--_image-url);
        background-repeat: no-repeat;
        background-position: center;
        background-size: cover;
        pointer-events: none;
        filter: blur(var(--reflection-blur)) grayscale(100%);
        transition: filter var(--transition-duration) var(--transition-ease);
        transform-style: inherit;
        transform-origin: center bottom;
        transform: rotateX(90deg) rotateZ(180deg) rotateY(180deg);
        position: absolute;

        &:hover {
          filter: blur(var(--reflection-blur)) grayscale(0%);
        }
      }
    }

    .ground {
      --_width: var(--_diameter);
      --_height: var(--_diameter);
      --_rotation: 90deg;
      left: calc(var(--_radius) - var(--_width) / 2);
      top: calc(var(--_radius) - var(--_height) / 2);
      transform: rotateX(var(--_rotation)) translateZ(calc(var(--_item-height) / -2));
      width: var(--_width);
      height: var(--_height);
      border-radius: 50%;
      background: radial-gradient(rgba(var(--shadow-color-rgb), 0.75) 15%, rgba(var(--bg-color-rgb), 0) 60%);
      opacity: 0.5;
      transition: opacity var(--transition-duration) var(--transition-ease);
      position: absolute;
      

      &.item-wrapper:has(.item:hover) {
        opacity: 0.75;
      }
    }
  </style>
</head>

<body>
  <div class="carousel">

    <div class="control-button left"><input type="radio" name="control-input"></div>
    <div class="control-button right"><input type="radio" name="control-input" checked></div>

    <div class="rotation-direction">

      <ul class="item-wrapper" style="--_num-elements: 11">

        <li class="item"
          style="--_index: 1; --_image-url: url('https://images.unsplash.com/photo-1730722005859-f93a79460bae?q=80&w=1974&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D')">
          <a href="#" target="_blank"></a>
        </li>
        <li class="item"
          style="--_index: 2; --_image-url: url('https://images.unsplash.com/photo-1730815664512-238cea535eff?q=80&w=1974&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D')">
          <a href="#" target="_blank"></a>
        </li>
        <li class="item"
          style="--_index: 3; --_image-url: url('https://images.unsplash.com/photo-1731128976871-9dc558f0c3c4?q=80&w=1974&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D')">
          <a href="#" target="_blank"></a>
        </li>
        <li class="item"
          style="--_index: 4; --_image-url: url('https://images.unsplash.com/photo-1730407401172-aeed1b1ace5b?q=80&w=1935&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D')">
          <a href="#" target="_blank"></a>
        </li>
        <li class="item"
          style="--_index: 5; --_image-url: url('https://images.unsplash.com/photo-1730724583278-151efd042e16?q=80&w=1974&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D')">
          <a href="#" target="_blank"></a>
        </li>
        <li class="item"
          style="--_index: 6; --_image-url: url('https://images.unsplash.com/photo-1731000891359-b430173e8491?q=80&w=1974&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D')">
          <a href="#" target="_blank"></a>
        </li>
        <li class="item"
          style="--_index: 7; --_image-url: url('https://images.unsplash.com/photo-1730435136320-1410fa8bed02?q=80&w=1974&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D')">
          <a href="#" target="_blank"></a>

        </li>
        <li class="item"
          style="--_index: 8; --_image-url: url('https://images.unsplash.com/photo-1730523169782-31cb72f147ff?q=80&w=1974&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D')">
          <a href="#" target="_blank"></a>

        </li>
        <li class="item"
          style="--_index: 9; --_image-url: url('https://images.unsplash.com/photo-1730405704088-3d8f36e32b62?q=80&w=1974&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D')">
          <a href="#" target="_blank"></a>

        </li>
        <li class="item"
          style="--_index: 10; --_image-url: url('https://images.unsplash.com/photo-1717764737741-b22a89548750?q=80&w=1970&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D')">
          <a href="#" target="_blank"></a>

        </li>
        <li class="item"
          style="--_index: 11; --_image-url: url('https://images.unsplash.com/photo-1730386547603-918a97d624d4?q=80&w=1990&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D')">
          <a href="#" target="_blank"></a>
        </li>

        <li class="carousel-ground"></li>

      </ul>

    </div>

  </div>

</body>

</html>